下列哪一项不是左向右分流型先天性心脏病的共同特点（）
A.易患肺炎
B.肺循环血量减少
C.体循环血量减少
D.潜伏性青紫
E.影响生长发育
参考答案：B
Now the size of our town is _______ than it was ten years ago.
A．as twice large as
B．twice large than
C．twice as much as
D．twice as large as
个人合伙的特征决定了合伙人对合伙债务应负（）。
A.共同责任
B.有限责任
C.无限责任
D.连带责任
E.按份责任
